\begin{table}
\begin{center}
\begin{tabular}{l c c c c}
\hline
 & Model 1 & Model 2 & Model 3 & Model 4 \\
\hline
(Intercept)          & $0.462^{***}$  & $0.598^{***}$  & $0.296^{\cdot}$ & $0.133$          \\
                     & $(0.089)$      & $(0.110)$      & $(0.168)$       & $(0.084)$        \\
treat                & $-0.076^{**}$  & $-0.132^{***}$ & $-0.010$        & $-0.063^{*}$     \\
                     & $(0.025)$      & $(0.037)$      & $(0.062)$       & $(0.026)$        \\
gender               & $0.120^{***}$  & $-0.140$       & $0.120^{***}$   & $0.139^{***}$    \\
                     & $(0.025)$      & $(0.128)$      & $(0.025)$       & $(0.025)$        \\
leftright\_1         & $-0.054^{***}$ & $-0.054^{***}$ & $-0.023$        &                  \\
                     & $(0.005)$      & $(0.005)$      & $(0.027)$       &                  \\
CountryAustralia     & $0.090$        & $0.093$        & $0.090$         & $0.104^{\cdot}$  \\
                     & $(0.062)$      & $(0.062)$      & $(0.062)$       & $(0.062)$        \\
CountryBrazil        & $0.085$        & $0.088$        & $0.084$         & $0.090$          \\
                     & $(0.078)$      & $(0.078)$      & $(0.078)$       & $(0.078)$        \\
CountryFrance        & $-0.020$       & $-0.018$       & $-0.020$        & $-0.017$         \\
                     & $(0.062)$      & $(0.062)$      & $(0.062)$       & $(0.062)$        \\
CountryMexico        & $0.089$        & $0.093$        & $0.089$         & $0.088$          \\
                     & $(0.072)$      & $(0.072)$      & $(0.072)$       & $(0.072)$        \\
CountryNorway        & $0.048$        & $0.051$        & $0.049$         & $0.061$          \\
                     & $(0.061)$      & $(0.061)$      & $(0.061)$       & $(0.061)$        \\
CountryNZ            & $0.023$        & $0.027$        & $0.023$         & $0.046$          \\
                     & $(0.073)$      & $(0.073)$      & $(0.073)$       & $(0.073)$        \\
CountryPeru          & $0.079$        & $0.083$        & $0.078$         & $0.060$          \\
                     & $(0.073)$      & $(0.073)$      & $(0.073)$       & $(0.073)$        \\
CountryPortugal      & $0.077$        & $0.080$        & $0.077$         & $0.096$          \\
                     & $(0.070)$      & $(0.070)$      & $(0.070)$       & $(0.069)$        \\
CountrySpain         & $0.057$        & $0.056$        & $0.058$         & $0.090$          \\
                     & $(0.069)$      & $(0.069)$      & $(0.069)$       & $(0.068)$        \\
CountryUK            & $0.014$        & $0.015$        & $0.014$         & $-0.006$         \\
                     & $(0.070)$      & $(0.070)$      & $(0.070)$       & $(0.070)$        \\
CountryUSA           & $-0.006$       & $-0.002$       & $-0.005$        & $0.011$          \\
                     & $(0.077)$      & $(0.077)$      & $(0.077)$       & $(0.076)$        \\
gender * treat       &                & $0.104^{*}$    &                 &                  \\
                     &                & $(0.050)$      &                 &                  \\
leftright\_1 * treat &                &                & $-0.012$        &                  \\
                     &                &                & $(0.011)$       &                  \\
Right                &                &                &                 & $0.252$          \\
                     &                &                &                 & $(0.254)$        \\
treat * Right        &                &                &                 & $-0.178^{\cdot}$ \\
                     &                &                &                 & $(0.099)$        \\
\hline
R$^2$                & $0.027$        & $0.027$        & $0.027$         & $0.012$          \\
Adj. R$^2$           & $0.024$        & $0.025$        & $0.024$         & $0.010$          \\
Num. obs.            & $5717$         & $5717$         & $5717$          & $5765$           \\
\hline
\multicolumn{5}{l}{\scriptsize{$^{***}p<0.001$; $^{**}p<0.01$; $^{*}p<0.05$; $^{\cdot}p<0.1$}}
\end{tabular}
\caption{Statistical models}
\label{table:coefficients}
\end{center}
\end{table}

